HP Home & Home Office offers the HP ENVY 700z AMD A8 2.1GHz Desktop PC (no monitor), model no. G5B61AV#ABA, for $479.99 with free shipping. That's a $170 savings and tied with our mention from a week ago as the lowest total price we could find. It features an AMD A8-6500T 2.1GHz quad-core processor, 8GB RAM, 1TB 7200 rpm hard drive, DVD burner, 802.11n wireless, Bluetooth, and Windows 8.1 64-bit. Deal ends today.
Of note, you can add the HP Pavilion 23xi 23" IPS LED-Backlit LCD Monitor for an additional $129.99. (Select "Customize & Buy," then scroll down to add the monitor.)